Notes

How does a wood pellet equipment work?<br>
Typically, wood pellet machine can be classified right into flat die pellet equipment and also ring die pellet equipment.



Ring die pellet mill has large quantity as well as high capacity. It is suitable for manufacturing facility use and also massive manufacturing. Flat die pellet mill is small as well as mobile. It has reduced capacity, ideal for house usage and also small production. The rate of flat die pellet mill is much less than ring die pellet mill



Framework of flat die pellet mill.

Inside out, a flat die pellet mill is made up of a feed receptacle, a top cabinet, a discharge electrical outlet, a spindle box, gear box, a transmission shaft, an electric control cupboard, an electrical motor, a engine base, and also 4 wheels, etc.



The electrical motor can be replaced by a diesel engine, fuel engine, or a PTO connector.



The core components: roller as well as flat die

The pelletizing part of the flat die pellet equipment is a press roller and also a flat die. They are installed in the upper cupboard. There are 2-4 rollers set up on the 2 ends of the roller shaft. The rollers have grooves on the surface area. The roller and flat die is made of superior alloy steel, whose solidity is 55-60 HRC.



There are numerous holes on the flat die, whose size is from 2.5 mm to 10mm, and also 6mm, 8mm and 10mm are the most usual types. They recognize the best compression ratio with a lot of experiments, suitable for greater than 30 kinds of products.



The clearance between the roller and also flat die is 0.1-0.3 mm. This is where the raw material layer forms. There are 2 adjusting nuts on the side of the pellet mill, you can readjust the clearance to adjust to various products.



Exactly how does a flat die pellet machine job?

When you feed basic materials into the pellet equipment through the hopper, they fall on the flat die and spread over it under the function of roller.



When you start the pellet equipment, the electrical motor runs and also bring along the major shaft through the gearbox. Journalism roller is mounted on the major shaft, so it revolves around the major shaft. Meanwhile, the rollers rotate around the roller shaft.



The rotating press types strong pressure as well as press the raw products into the holes on the flat die. The raw products obtain formed in these openings. When they are squeezed out, they come to be solid cyndrical tubes. Meanwhile, the solid friction in between roller and die warm up the raw products to over 80 ° C, where the lignin and also fibers get soft. They increase the adhesive pressure of products.



The diameter of the pellets is identified by the opening size of the flat die, while the length is identified by the slicer under the flat die. When the biomass pellets appear in the form of cyndrical tubes, the slicer under the flat die cut them into particular length. You can adjust the setting of slicer to alter the length.



After being cut by the slicers, the pellets fall down on the pellet-throwing tray. Under the feature of centrifugal pressure, the pellets are sent though the discharge electrical outlet.



Two kinds of flat die pellet equipment

Flat die pellet mill can be classified into roller-turned kind as well as die-turned type. direct pellet extruder has its flat die mounted on the main shaft. When the machine functions, the flat die turns and the roller keep still. The later one has the press roller set up on the main shaft. The roller revolves with the primary shaft, while the flat die maintain still.



Roller-turned kind adopts extra reliable structure. It has larger ability and even more sturdy transmission. However Die-turned type is more tiny and portable, with lower cost. Naturally, both of them have the ability to make premium pellets.



Benefits as well as weakness of flat die pellet equipment

Flat die pellet mill has basic framework. It is tiny, light and portable. The cost is much less than ring die pellet machine It is simple to run as well as maintain. You can observe the pelletizing process as well as address any type of fault in time. So it is preferred with farmers, residence customers, and also little fuel production plant.



The flat dies are wearing parts, you need to change it frequently. But it can be utilized with both sides. You can turn it over when one side has actually worn out. This way you can prolong their working life and minimize price.



On the other hand, the relocating range are different in the internal and outer side of roller, which trigger the slide of rollers and also abrasion on the flat die. Currently, numerous flat die pellet equipment take on conical roller to address this problem. TICO flat die pellet machine adopts conical roller as well as superior alloy steel in the flat die. Click the button below to obtain a fast quote!



Besides, the get in touch with area of roller and also flat die is smaller sized than ring die pellet machine, so the manufacturing capability and also forming price is lower.



Exactly how does a ring die pellet equipment work?

Structure of ring die pellet machine

A ring die pellet equipment is made up of a screw feeder, conditioner, roller and ring die, discharge port, electrical motor, transmission, pedestal.



The ring die pellet equipment is driven by a direct-connected motor. The electric motor get in touch with the transmission via a shaft coupling. The transmission bring along the major shaft, as well as the main shaft bring along the rollers. So the roller started to rotate inside the ring die.



When you feed resources right into the ring die pellet machine via the receptacle, they are transmitted to the conditioner, where the raw products are combined with vapor or butter. The conditioning of the raw materials aims to enhance the sticky force as well as creating price.



After that, the processed raw materials will certainly be transferred to the pelletizing closet. Under the centrifugal force, they are distributed on the internal side of the ring die. The roller press the raw materials into the holes on the ring die. The heat and also high pressure cause physical and chemical changes to the raw products.



When they are ejected from the ring die, they come to be strong round sticks. The sticks grow longer, until they are reduced by the slicer outside the ring die. After that the pellets drop and appear with the electrical outlet.




Two kinds of ring die pellet machine

According to different positionings of the ring die, there are vertical ring die pellet machine as well as straight ring die pellet machine.



In the horizontal type, the ring die is positioned vertically. When raw materials fall down from the conditioner, they are fed right into the ring die horizontally by a forced feeder. In richi pellet , the ring die is put horizontally. The feed receptacle is right over the ring die, and the raw materials falls under the ring die straight.



In the upright ring die pellet equipment, both the roller as well as ring die turn. They form centrifugal pressure and also distribute resources evenly. In the straight ring die pellet machine, only the ring die rotates. The raw materials are distributed in the ring die by the screw feeder.



Advantages and also weak point of ring die pellet machine.

Ring die pellet mill features high capability. The manufacturing per hr is from 800kg to 20t. As for flat die pellet machine, the capacity is from 100kg/h to 1t/t. So if you manufacturing need is under 800kg, you 'd better choose flat die pellet machine, or ring die pellet machine is preferable.



Due to the high production, the power intake each is low. The abrasion in between roller and die is smaller. The procedure and maintenance is easy. The pellets are consistent in dimension.

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